Classifications

• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
  • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
  • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
  • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
  • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
  • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
  • G06K19/07745—Mounting details of integrated circuit chips
  • G06K19/07747—Mounting details of integrated circuit chips at least one of the integrated circuit chips being mounted as a module
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
  • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
  • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
  • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
  • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
  • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
  • G06K19/0772—Physical layout of the record carrier
  • G06K19/07728—Physical layout of the record carrier the record carrier comprising means for protection against impact or bending, e.g. protective shells or stress-absorbing layers around the integrated circuit
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
  • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
  • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
  • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
  • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
  • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
  • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
• • H—ELECTRICITY
  • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
  • H10W72/00—Interconnections or connectors in packages
  • H10W72/50—Bond wires
  • H10W72/531—Shapes of wire connectors
  • H10W72/536—Shapes of wire connectors the connected ends being ball-shaped
• • H—ELECTRICITY
  • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
  • H10W72/00—Interconnections or connectors in packages
  • H10W72/50—Bond wires
  • H10W72/531—Shapes of wire connectors
  • H10W72/5363—Shapes of wire connectors the connected ends being wedge-shaped
• • H—ELECTRICITY
  • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
  • H10W72/00—Interconnections or connectors in packages
  • H10W72/851—Dispositions of multiple connectors or interconnections
  • H10W72/874—On different surfaces
  • H10W72/884—Die-attach connectors and bond wires
• • H—ELECTRICITY
  • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
  • H10W74/00—Encapsulations, e.g. protective coatings

Definitions

• the invention relates to a device with a data earner module which is arranged for contactless communication with a communication station and includes a holding means and an integrated circuit which is arranged on the holding means at the area of a holding surface of the holding means and is provided with at least two circuit connection contacts, and also includes a protective cap of an elect ⁇ cally insulating mate ⁇ al which protectively covers the integrated circuit and includes a transmission coil which is also arranged on the holding means at the area of the holding surface of the holding means and has at least one coil turn and two coil connection contacts, each of which is connected to a respective associated circuit connection contact
• the invention also relates to a data earner module which is arranged for contactless communication with a communication station and includes a holding means and an integrated circuit which is arranged on the holding means at the area of a holding surface of the holding means and is provided with at least two circuit connection contacts, and also includes a protective cap of an elect ⁇ cally insulating matenal which covers the integrated circuit so as to protect it and includes a transmission coil which is also
• a device of the kind set forth in the first paragraph and a data earner module of the kind set forth in the second paragraph are known, for example from the patent document WO 98/35452 Al
• the embodiment disclosed in the cited patent document concerns a clock which accommodates a data earner module whose holding means is formed essentially by a pnnted circuit board which serves to hold a time display device and a clock chip as well as to hold a transponder chip and a transmission coil.
• the transmission coil therein is arranged fully unprotected on the p ⁇ nted circuit board acting as the holding means.
• the transmission coil in a device of the kind set forth in the first paragraph according to the invention is covered by a protective layer of an elect ⁇ cally insulating matenal, a respective window being formed in the protective layer at the area of each of the two coil connection contacts and a connection wire being connected between each connection coil contact and its respective associated circuit connection contact, which connection wire is guided to the relevant coil connection contact via a window, the protective cap protectively cove ⁇ ng not only the integrated circuit but also the two connection wires and the two windows as well as the areas of the two coil connection contacts which adjoin the two windows
• the transmission coil is covered by a protective layer of an electncally insulating mate ⁇ al, a window being formed in the protective layer at the area of each of the two coil connection contacts and a connection wire being connected between each coil connection contact and its associated circuit connection contact, which connection wire is guided to the relevant coil connection contact via a window, the protective cover protectively covenng not only the integrated circuit but also the two connection wires and the two windows as well as the areas of the two coil connection contacts which adjoin the two windows
• the holding means in a device according to the invention and in a data carrier module according to the invention may be formed by means of different, electrically insulating materials. It has been found to be very advantageous, however, to take the steps disclosed in the Claims 2 and 6, because steps which are known per se from printed circuit board technology can thus be advantageously taken also for a device according to the invention and for a data carrier module according to the invention.
• the protective layer and the protective cover for such a device according to the invention and such a data carrier module according to the invention may be made of different insulating materials. However, it has been found that it is particul.arly advantageous to take the steps disclosed in the Claims 3 and 4 as well as 7 and 8, because particularly good bonding conditions and hence particularly good properties in respect of strength and insulation are thus achieved.
• the sole Figure is a cross-sectional view of an, in this context, essential part of an embodiment of a device according to the invention, in this case being a card-like data carrier in which an embodiment of a data carrier module according to the invention is accommodated.
• the sole Figure shows a part of a device according to the invention which is in this case formed by a card-like data carrier 1.
• a card-like data carrier 1 As regards the representation of the data carrier 1 it is to be noted that the data carrier 1 is shown at an enlarged scale, the thickness dimensions of the parts of the data carrier 1, moreover, being shown at an exaggerated scale so as to enhance the clarity.
• the card-like data carrier 1 includes a card member 2 which is formed during an injection molding operation. However, the card member 2 may alternatively be formed by means of a known lamination process.
• the card member 2 of the data carrier 1 accommodates a data carrier module 3.
• the data carrier module 3 is arranged, for contactless communication with a communication station as has been known since long.
• the data carrier module 3 includes a holding means 4 which advantageously consists of a layer of fiberglass- reinforced epoxy material in the present case. The thickness of this layer amounts to approximately 100 ⁇ m.
• the data carrier module 3 also includes an integrated circuit 6 which is arranged on the holding means 4 at the area of a holding surface 5 of the holding means 4, said integrated circuit including two diagrammatically indicated circuit connection contacts 7 and 8. The integrated circuit 6 is connected to the holding means 4 at the area of the holding surface 5 by means of an adhesive layer 9.
• the data carrier module 3 is provided with a protective cap 10 of an electrically insulating material.
• the protective cap 10 covers the integrated circuit 6 so that the integrated circuit 6 is protected.
• the protective cap 10 consists of a synthetic material, i.e. an epoxy material.
• the basic material for the protective cap 10 is deposited in a dosable state of aggregation by means of a dosing needle, after which curing takes place by thermal treatment. Curing may also be performed by way of UV irradiation.
• the carrier module 3 is also provided with a transmission coil 11 which is also connected to the holding means 4 at the area of the holding surface of the holding means 4, said transmission coil having a plurality of coil turns 12 and two coil connection contacts 13 and 14.
• the coil turns 12 and the two coil connection contacts 13 and 14 of the transmission coil 11 are formed by layer-like conductor tracks of copper which are connected to the layer of fiberglass- reinforced epoxy material acting as the holding means 4.
• a further adhesive layer 15 which is formed by means of a non- conductive adhesive.
• the coil turns 12 and the two coil connection contacts 13 and 14 are formed, for example by means of an etching process, from a copper layer which initially covers the entire holding surface 5 of the holding means 4.
• the transmission coil 11 may also be provided on the holding means 14 in a different way, for example by silk screen printing.
• the transmission coil 11 is preferably covered by a protective layer 16 of an electrically insulating material.
• the protective layer 16 for the transmission coil 11 is particularly advantageously formed by means of a solder resist.
• the protective layer 16 for the transmission coil 11 is formed by a solder resist which essentially consists of an epoxy material.
• the thickness of the protective layer 16 lies in a range of from 10 to 20 ⁇ m.
• the protective layer 16 is provided with a respective window 17, 18 at the area of each of the two coil connection contacts 13 and 14.
• Each of the two coil connection contacts 13 and 14 is connected to a respective associated circuit connection contact 7, 8, respectively; this connection is realized in that a connection wire 19, 20, respectively, is provided between each coil connection contact 13, 14 and its associated circuit connection contact 7, 8, said connection wire being guided from a circuit connection contact 7, 8 to the relevant coil connection contact 13, 14 via a window 17, 18.
• the protective cap 10 of the data carrier module 3, and hence of the data carrier 1, is constructed in such a manner that the protective cap 10 advantageously covers not only the integrated circuit 6 protectively but also the two connection wires 19 and 20 and the two windows 17 and 18 as well as the areas of the two coil connection contacts 13 and 14 which adjoin the two windows 17 and 18.
• the protective cap 10 provides suitable mechanical protection not only for the integrated circuit 6 but also for the connection wires 19 and 20 and the coil connection contacts 13 and 14.
• a device of this kind may be formed by a video recorder or other electronic entertainment apparatus, or also by a mobile telephone and a variety of other apparatus.
• a data carrier module according to the invention, or the integrated circuit that can be triggered in a contactless manner, can then be provided in the relevant device, for example for the purpose of product characterization or product assurance.

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• Engineering & Computer Science (AREA)
• Computer Hardware Design (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Near-Field Transmission Systems (AREA)
• Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=8237221

Family Applications (1)

Country Status (4)

Families Citing this family (5)

Citations (4)

Family Cites Families (7)

• 1999
  • 1999-12-03 JP JP2000590100A patent/JP2002533914A/ja not_active Withdrawn
  • 1999-12-03 WO PCT/EP1999/009448 patent/WO2000038109A1/en not_active Ceased
  • 1999-12-03 EP EP99958159A patent/EP1055192A1/en not_active Withdrawn
  • 1999-12-13 US US09/459,629 patent/US6285561B1/en not_active Expired - Lifetime

Patent Citations (4)

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